<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			#f3 {
				width: 800px;
				height: 50px;
			}

			#f1 {
				background: url(img/屏幕截图%202020-11-30%20195157.png)no-repeat;
				margin-left: 500px;
				height: 800px;
			}

			#f3 {
				width: 800px;
				position: relative;
				top: 690px;
			}
		</style>
	</head>
	<body>
		<div id="f1">
			<div id="f2">
				<input type="text" name="" id="f3" value="" border="" placeholder="请输入您的问题" />
			</div>




		</div>


	</body>
</html>
